1446
UnclassifiedGeneral
What This Code Means
One or more of the phase voltages has exceeded the high AC voltage threshold
Possible Causes
- •Fault Simulation is Enabled
Suggested Actions
- 1Connect with InPower and ensure that the fault simulation for High AC Voltage is not enabled.
- 2Disconnect the battery (disconnect negative first).
- 3Disconnect/disable the battery charger.
- 4If InPower is not available, cycle power to the control: Depress the Emergency Stop button and wait 30 seconds.
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 1446 on your specific Cummins unit — cited to the OEM manual, not a forum guess.
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